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gstreamer/gst-libs/gst/play/playpipelines.c
Julien Moutte f1a6f672da Error handling is inside and works :) 
Original commit message from CVS:
Error handling is inside and works :)
Mutexes have been removed. That should fix UI responsiveness problems on query_length. Please heavily test to check if they were really needed.
Some fixes in GClosures
2003-05-30 22:36:19 +00:00

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/* GStreamer
* Copyright (C) 1999,2000,2001,2002 Erik Walthinsen <omega@cse.ogi.edu>
* 2000,2001,2002 Wim Taymans <wtay@chello.be>
* 2002 Steve Baker <steve@stevebaker.org>
* 2003 Julien Moutte <julien@moutte.net>
*
* playpipelines.c: Set up pipelines for playback
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
static gboolean
gst_play_default_set_data_src ( GstPlay *play,
GstElement *datasrc,
GstElement* parent)
{
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (datasrc != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (datasrc), FALSE);
if (GST_IS_ELEMENT(play->source)) {
/* we need to remove the existing data
source before creating a new one */
if (GST_IS_ELEMENT(play->autoplugger)){
gst_element_unlink (play->autoplugger, play->source);
}
gst_bin_remove (GST_BIN(parent), play->source);
}
play->source = datasrc;
g_return_val_if_fail (play->source != NULL, FALSE);
gst_bin_add (GST_BIN (parent), play->source);
if (GST_IS_ELEMENT(play->autoplugger)){
gst_element_link (play->autoplugger, play->source);
}
return TRUE;
}
/*
* GST_PLAY_PIPE_AUDIO
* gnomevfssrc ! spider ! volume ! osssink
*/
static gboolean
gst_play_audio_setup ( GstPlay *play,
GError **error)
{
/* creating gst_bin */
play->pipeline = gst_pipeline_new ("main_pipeline");
g_return_val_if_fail (GST_IS_PIPELINE (play->pipeline), FALSE);
/* create source element */
play->source = gst_element_factory_make ("gnomevfssrc", "source");
if (!play->source)
{
gst_play_error_plugin (GST_PLAY_ERROR_GNOMEVFSSRC, error);
return FALSE;
}
/* Adding element to bin */
gst_bin_add (GST_BIN (play->pipeline), play->source);
/* create audio elements */
play->volume = gst_element_factory_make ("volume", "volume");
if (!play->volume)
{
gst_play_error_plugin (GST_PLAY_ERROR_VOLUME, error);
return FALSE;
}
/* creating fake audio_sink */
play->audio_sink = gst_element_factory_make ("fakesink", "fake_audio");
if (play->audio_sink == NULL)
{
gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
return FALSE;
}
gst_bin_add_many (
GST_BIN (play->pipeline), play->volume,
play->audio_sink, NULL);
gst_element_link (play->volume, play->audio_sink);
return TRUE;
}
static gboolean
gst_play_simple_set_data_src ( GstPlay *play,
GstElement *datasrc)
{
return gst_play_default_set_data_src(play, datasrc, play->pipeline);
}
/*
* GST_PLAY_PIPE_AUDIO_THREADED
* { gnomevfssrc ! spider ! volume ! osssink }
*/
static gboolean
gst_play_audiot_setup ( GstPlay *play,
GError **error)
{
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
/* creating gst_thread */
play->pipeline = gst_thread_new ("main_pipeline");
g_return_val_if_fail (GST_IS_THREAD (play->pipeline), FALSE);
/* create source element */
play->source = gst_element_factory_make ("gnomevfssrc", "source");
if (!play->source)
{
gst_play_error_plugin (GST_PLAY_ERROR_GNOMEVFSSRC, error);
return FALSE;
}
/* Adding element to bin */
gst_bin_add (GST_BIN (play->pipeline), play->source);
/* create audio elements */
play->volume = gst_element_factory_make ("volume", "volume");
if (!play->volume)
{
gst_play_error_plugin (GST_PLAY_ERROR_VOLUME, error);
return FALSE;
}
/* creating fake audiosink */
play->audio_sink = gst_element_factory_make ("fakesink", "fake_audio");
if (play->audio_sink == NULL)
{
gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
return FALSE;
}
gst_bin_add_many (
GST_BIN (play->pipeline), play->volume,
play->audio_sink, NULL);
gst_element_link (play->volume, play->audio_sink);
return TRUE;
}
static gboolean
gst_play_audiot_set_audio ( GstPlay *play,
GstElement *audio_sink)
{
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (audio_sink != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE);
if (play->audio_sink)
{
gst_element_unlink (play->volume, play->audio_sink);
gst_bin_remove (GST_BIN (play->pipeline), play->audio_sink);
}
play->audio_sink = audio_sink;
gst_bin_add (GST_BIN (play->pipeline), play->audio_sink);
gst_element_link (play->volume, play->audio_sink);
play->audio_sink_element = gst_play_get_sink_element (
play,
audio_sink,
GST_PLAY_SINK_TYPE_AUDIO);
play->visualisation_sink_element = gst_play_get_sink_element (
play,
audio_sink,
GST_PLAY_SINK_TYPE_VIDEO);
if (play->audio_sink_element != NULL) {
g_signal_connect (G_OBJECT (play->audio_sink_element), "eos",
G_CALLBACK (callback_audio_sink_eos), play);
}
return TRUE;
}
static gboolean
gst_play_audiot_set_auto ( GstPlay *play,
GstElement *autoplugger)
{
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (autoplugger != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (autoplugger), FALSE);
if (play->autoplugger) {
/* we need to remove the existing autoplugger
before creating a new one */
gst_element_unlink (play->autoplugger, play->volume);
gst_element_unlink (play->autoplugger, play->source);
gst_bin_remove (GST_BIN (play->pipeline), play->autoplugger);
}
play->autoplugger = autoplugger;
g_return_val_if_fail (play->autoplugger != NULL, FALSE);
gst_bin_add (GST_BIN (play->pipeline), play->autoplugger);
gst_element_link (play->source, play->autoplugger);
gst_element_link (play->autoplugger, play->volume);
return TRUE;
}
/*
* GST_PLAY_PIPE_AUDIO_HYPER_THREADED
* { gnomevfssrc ! spider ! { queue ! volume ! osssink } }
*/
static gboolean
gst_play_audioht_setup ( GstPlay *play,
GError **error)
{
GstElement *audio_thread, *audio_queue;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
/*
play->pipeline = gst_thread_new ("main_pipeline");
g_return_val_if_fail (GST_IS_THREAD (play->pipeline), FALSE);
*/
/* creating pipeline */
play->pipeline = gst_pipeline_new ("main_pipeline");
g_return_val_if_fail (GST_IS_PIPELINE (play->pipeline), FALSE);
/* create source element */
play->source = gst_element_factory_make ("gnomevfssrc", "source");
if (!play->source)
{
gst_play_error_plugin (GST_PLAY_ERROR_GNOMEVFSSRC, error);
return FALSE;
}
/* Adding element to bin */
gst_bin_add (GST_BIN (play->pipeline), play->source);
/* create audio thread */
audio_thread = gst_thread_new ("audio_thread");
g_return_val_if_fail (GST_IS_THREAD (audio_thread), FALSE);
g_hash_table_insert(play->other_elements, "audio_thread", audio_thread);
/* create audio queue */
audio_queue = gst_element_factory_make ("queue", "audio_queue");
if (!audio_queue)
{
gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
return FALSE;
}
g_hash_table_insert(play->other_elements, "audio_queue", audio_queue);
/* create source element */
play->volume = gst_element_factory_make ("volume", "volume");
if (!play->volume)
{
gst_play_error_plugin (GST_PLAY_ERROR_VOLUME, error);
return FALSE;
}
/* create audiosink. */
play->audio_sink = gst_element_factory_make ("fakesink", "play_audio");
if (play->audio_sink == NULL)
{
gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
return FALSE;
}
gst_bin_add_many (
GST_BIN (audio_thread), audio_queue, play->volume,
play->audio_sink, NULL);
gst_element_link_many (audio_queue, play->volume, play->audio_sink);
gst_element_add_ghost_pad (
audio_thread, gst_element_get_pad (audio_queue, "sink"),
"sink");
gst_bin_add (GST_BIN (play->pipeline), audio_thread);
return TRUE;
}
static gboolean
gst_play_audioht_set_audio ( GstPlay *play,
GstElement *audio_sink)
{
GstElement *audio_thread;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (audio_sink != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE);
audio_thread = g_hash_table_lookup(play->other_elements, "audio_thread");
if (play->audio_sink)
{
gst_element_unlink (play->volume, play->audio_sink);
gst_bin_remove (GST_BIN (audio_thread), play->audio_sink);
}
play->audio_sink = audio_sink;
gst_bin_add (GST_BIN (audio_thread), play->audio_sink);
gst_element_link (play->volume, play->audio_sink);
play->audio_sink_element = gst_play_get_sink_element (
play,
audio_sink,
GST_PLAY_SINK_TYPE_AUDIO);
play->visualisation_sink_element = gst_play_get_sink_element (
play,
audio_sink,
GST_PLAY_SINK_TYPE_VIDEO);
if (play->audio_sink_element != NULL) {
g_signal_connect (G_OBJECT (play->audio_sink_element), "eos",
G_CALLBACK (callback_audio_sink_eos), play);
}
return TRUE;
}
static gboolean
gst_play_audioht_set_auto ( GstPlay *play,
GstElement *autoplugger)
{
GstElement *audio_thread;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (autoplugger != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (autoplugger), FALSE);
audio_thread = g_hash_table_lookup(play->other_elements, "audio_thread");
if (play->autoplugger) {
/* we need to remove the existing autoplugger
before creating a new one */
gst_element_unlink (play->autoplugger, audio_thread);
gst_element_unlink (play->autoplugger, play->source);
gst_bin_remove (GST_BIN (play->pipeline), play->autoplugger);
}
play->autoplugger = autoplugger;
g_return_val_if_fail (play->autoplugger != NULL, FALSE);
gst_bin_add (GST_BIN (play->pipeline), play->autoplugger);
gst_element_link (play->source, play->autoplugger);
gst_element_link (play->autoplugger, audio_thread);
return TRUE;
}
/*
* GST_PLAY_PIPE_VIDEO
* { gnomevfssrc ! spider ! { queue ! volume ! (audiosink) }
* spider0.src2 ! { queue ! colorspace ! (videosink) } }
*/
static gboolean
gst_play_video_setup ( GstPlay *play,
GError **error)
{
GstElement *audio_bin, *audio_queue;
GstElement *video_queue, *video_bin;
GstElement *work_thread, *colorspace;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
/* creating pipeline */
play->pipeline = gst_pipeline_new ("main_pipeline");
g_return_val_if_fail (GST_IS_PIPELINE (play->pipeline), FALSE);
/* creating work thread */
work_thread = gst_thread_new ("work_thread");
g_return_val_if_fail (GST_IS_THREAD (work_thread), FALSE);
g_hash_table_insert(play->other_elements, "work_thread", work_thread);
gst_bin_add (GST_BIN (play->pipeline), work_thread);
/* create source element */
play->source = gst_element_factory_make ("gnomevfssrc", "source");
if (!play->source)
{
gst_play_error_plugin (GST_PLAY_ERROR_GNOMEVFSSRC, error);
return FALSE;
}
gst_bin_add (GST_BIN (work_thread), play->source);
/* creating volume element */
play->volume = gst_element_factory_make ("volume", "volume");
if (!play->volume)
{
gst_play_error_plugin (GST_PLAY_ERROR_VOLUME, error);
return FALSE;
}
/* creating audio_sink element */
play->audio_sink = gst_element_factory_make ("fakesink", "fake_audio");
if (!play->audio_sink)
{
gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
return FALSE;
}
play->audio_sink_element = NULL;
/* creating audio_queue element */
audio_queue = gst_element_factory_make ("queue", "audio_queue");
if (!audio_queue)
{
gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
return FALSE;
}
g_hash_table_insert (play->other_elements, "audio_queue", audio_queue);
/* creating audio thread */
audio_bin = gst_thread_new ("audio_bin");
if (!audio_bin)
{
gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
return FALSE;
}
g_hash_table_insert (play->other_elements, "audio_bin", audio_bin);
/* adding all that stuff to bin */
gst_bin_add_many (
GST_BIN (audio_bin), audio_queue, play->volume,
play->audio_sink, NULL);
gst_element_link_many (audio_queue, play->volume,
play->audio_sink, NULL);
gst_element_add_ghost_pad (
audio_bin,
gst_element_get_pad (audio_queue, "sink"),
"sink");
gst_bin_add (GST_BIN (work_thread), audio_bin);
/* create video elements */
play->video_sink = gst_element_factory_make ("fakesink", "fake_show");
if (!play->video_sink)
{
gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
return FALSE;
}
play->video_sink_element = NULL;
video_queue = gst_element_factory_make ("queue", "video_queue");
if (!video_queue)
{
gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
return FALSE;
}
g_hash_table_insert (play->other_elements, "video_queue", video_queue);
colorspace = gst_element_factory_make ("colorspace", "colorspace");
if (!colorspace)
{
gst_play_error_plugin (GST_PLAY_ERROR_COLORSPACE, error);
return FALSE;
}
g_hash_table_insert (play->other_elements, "colorspace", colorspace);
video_bin = gst_thread_new ("video_bin");
if (!video_bin)
{
gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
return FALSE;
}
g_hash_table_insert (play->other_elements, "video_bin", video_bin);
/* adding all that stuff to bin */
gst_bin_add_many (GST_BIN (video_bin), video_queue, colorspace,
play->video_sink, NULL);
gst_element_link_many (video_queue, colorspace,
play->video_sink, NULL);
gst_element_add_ghost_pad (
video_bin, gst_element_get_pad (video_queue, "sink"),
"sink");
gst_bin_add (GST_BIN (work_thread), video_bin);
return TRUE;
}
static gboolean
gst_play_video_set_data_src ( GstPlay *play,
GstElement *datasrc)
{
GstElement *work_thread;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (datasrc != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT(datasrc), FALSE);
work_thread = g_hash_table_lookup(play->other_elements, "work_thread");
return gst_play_default_set_data_src(play, datasrc, work_thread);
}
static gboolean
gst_play_video_set_auto ( GstPlay *play,
GstElement *autoplugger)
{
GstElement *audio_bin, *video_bin, *work_thread;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (autoplugger != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (autoplugger), FALSE);
audio_bin = g_hash_table_lookup(play->other_elements, "audio_bin");
video_bin = g_hash_table_lookup(play->other_elements, "video_bin");
work_thread = g_hash_table_lookup(play->other_elements, "work_thread");
if (play->autoplugger) {
/* we need to remove the existing autoplugger
before creating a new one */
gst_element_unlink (play->autoplugger, audio_bin);
gst_element_unlink (play->autoplugger, play->source);
gst_element_unlink (play->autoplugger, video_bin);
gst_bin_remove (GST_BIN (work_thread), play->autoplugger);
}
play->autoplugger = autoplugger;
g_return_val_if_fail (play->autoplugger != NULL, FALSE);
gst_bin_add (GST_BIN (work_thread), play->autoplugger);
gst_element_link (play->source, play->autoplugger);
gst_element_link (play->autoplugger, audio_bin);
gst_element_link (play->autoplugger, video_bin);
return TRUE;
}
static gboolean
gst_play_video_set_video ( GstPlay *play,
GstElement *video_sink)
{
GstElement *video_mate, *video_bin;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (video_sink != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE);
video_bin = g_hash_table_lookup(play->other_elements, "video_bin");
video_mate = g_hash_table_lookup(play->other_elements, "colorspace");
if (play->video_sink) {
gst_element_unlink (video_mate, play->video_sink);
gst_bin_remove (GST_BIN (video_bin), play->video_sink);
}
play->video_sink = video_sink;
gst_bin_add (GST_BIN (video_bin), play->video_sink);
gst_element_link (video_mate, play->video_sink);
play->video_sink_element = gst_play_get_sink_element (
play,
video_sink,
GST_PLAY_SINK_TYPE_VIDEO);
if (play->video_sink_element != NULL) {
g_signal_connect ( G_OBJECT (play->video_sink_element),
"have_xid",
G_CALLBACK (callback_video_have_xid),
play);
g_signal_connect ( G_OBJECT (play->video_sink_element),
"have_size",
G_CALLBACK (callback_video_have_size),
play);
g_object_set( G_OBJECT(play->video_sink_element),
"need_new_window",
TRUE,
"toplevel",
FALSE, NULL);
}
return TRUE;
}
static gboolean
gst_play_video_set_audio ( GstPlay *play,
GstElement *audio_sink)
{
GstElement *audio_bin;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (audio_sink != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE);
audio_bin = g_hash_table_lookup(play->other_elements, "audio_bin");
if (play->audio_sink)
{
gst_element_unlink (play->volume, play->audio_sink);
gst_bin_remove (GST_BIN (audio_bin), play->audio_sink);
}
play->audio_sink = audio_sink;
gst_bin_add (GST_BIN (audio_bin), play->audio_sink);
gst_element_link (play->volume, play->audio_sink);
play->audio_sink_element = gst_play_get_sink_element (
play,
audio_sink,
GST_PLAY_SINK_TYPE_AUDIO);
play->visualisation_sink_element = gst_play_get_sink_element (
play,
audio_sink,
GST_PLAY_SINK_TYPE_VIDEO);
if (play->audio_sink_element != NULL) {
g_signal_connect (G_OBJECT (play->audio_sink_element), "eos",
G_CALLBACK (callback_audio_sink_eos), play);
}
return TRUE;
}
/*
* GST_PLAY_PIPE_VIDEO_VISUALISATION
* { gnomevfssrc ! spider ! { queue ! volume ! (audiosink) }
* spider0.src2 ! { queue ! colorspace ! (videosink) } }
*/
static gboolean
gst_play_video_vis_setup ( GstPlay *play,
GError **error)
{
GstElement *work_thread, *tee_element;
GstPad *tee_vis_pad, *tee_audio_pad;
GstPad *audio_sink_pad, *vis_video_thread_pad;
GstElement *vis_video_thread;
GstElement *audio_queue, *audio_sink;
GstElement *vis_colorspace, *vis_video_queue, *vis_video_sink;
GstElement *video_queue, *video_bin, *colorspace;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
/* creating pipeline */
play->pipeline = gst_pipeline_new ("main_pipeline");
g_return_val_if_fail (GST_IS_PIPELINE (play->pipeline), FALSE);
/* creating work thread */
work_thread = gst_thread_new ("work_thread");
g_return_val_if_fail (GST_IS_THREAD (work_thread), FALSE);
g_hash_table_insert(play->other_elements, "work_thread", work_thread);
gst_bin_add (GST_BIN (play->pipeline), work_thread);
/* create source element */
play->source = gst_element_factory_make ("gnomevfssrc", "source");
if (!play->source)
{
gst_play_error_plugin (GST_PLAY_ERROR_GNOMEVFSSRC, error);
return FALSE;
}
gst_bin_add (GST_BIN (work_thread), play->source);
/* BEGIN VIS STUFF */
/* Creating here the audio vis bin */
play->audio_sink = gst_thread_new ("audio_thread");
if (!play->audio_sink)
{
gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
return FALSE;
}
g_hash_table_insert( play->other_elements,
"audio_bin",
play->audio_sink);
audio_queue = gst_element_factory_make ("queue", "audio_queue");
if (!audio_queue)
{
gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
return FALSE;
}
g_hash_table_insert ( play->other_elements,
"audio_queue",
audio_queue);
play->volume = gst_element_factory_make ("volume", "audio_volume");
if (!play->volume)
{
gst_play_error_plugin (GST_PLAY_ERROR_VOLUME, error);
return FALSE;
}
g_hash_table_insert ( play->other_elements,
"audio_volume",
play->volume);
tee_element = gst_element_factory_make ("tee", "audio_tee");
g_return_val_if_fail(GST_IS_ELEMENT(tee_element), FALSE);
g_hash_table_insert( play->other_elements,
"vis_tee",
play->audio_sink);
tee_vis_pad = gst_element_get_request_pad (tee_element, "src%d");
tee_audio_pad = gst_element_get_request_pad (tee_element, "src%d");
g_hash_table_insert( play->other_elements,
"tee_vis_pad",
tee_vis_pad);
g_hash_table_insert( play->other_elements,
"tee_audio_pad",
tee_audio_pad);
audio_sink = gst_element_factory_make ("fakesink", "audio_sink");
if (!audio_sink)
{
gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
return FALSE;
}
g_hash_table_insert ( play->other_elements,
"audio_sink",
audio_sink);
audio_sink_pad = gst_element_get_pad (audio_sink, "sink");
g_hash_table_insert ( play->other_elements,
"audio_sink_pad",
audio_sink_pad);
play->audio_sink_element = NULL;
gst_bin_add_many ( GST_BIN (play->audio_sink),
audio_queue, play->volume,
tee_element, audio_sink, NULL);
gst_element_link_many ( audio_queue, play->volume,
tee_element, NULL);
gst_pad_link ( tee_audio_pad, audio_sink_pad);
gst_element_add_ghost_pad ( play->audio_sink,
gst_element_get_pad (audio_queue, "sink"),
"sink");
/* Creating video part of the visualisation bin
{ queue ! (visualisation) ! colorspace ! (videosink) }
*/
vis_video_thread = gst_thread_new ("vis_video_thread");
if (!vis_video_thread)
{
gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
return FALSE;
}
g_hash_table_insert ( play->other_elements,
"vis_video_thread",
vis_video_thread);
vis_video_queue = gst_element_factory_make ("queue", "vis_video_queue");
if (!vis_video_queue)
{
gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
return FALSE;
}
g_hash_table_insert ( play->other_elements,
"vis_video_queue",
vis_video_queue);
vis_colorspace = gst_element_factory_make ("colorspace", "vis_colorspace");
if (!vis_colorspace)
{
gst_play_error_plugin (GST_PLAY_ERROR_COLORSPACE, error);
return FALSE;
}
g_hash_table_insert ( play->other_elements,
"vis_colorspace",
vis_colorspace);
vis_video_sink = gst_element_factory_make ("fakesink", "vis_video_sink");
if (!vis_video_sink)
{
gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
return FALSE;
}
g_hash_table_insert ( play->other_elements,
"vis_video_sink",
vis_video_sink);
play->video_sink_element = NULL;
gst_bin_add_many ( GST_BIN (vis_video_thread), vis_video_queue,
vis_colorspace, vis_video_sink, NULL);
vis_video_thread_pad = gst_element_add_ghost_pad (
vis_video_thread,
gst_element_get_pad (vis_video_queue, "sink"),
"sink");
g_hash_table_insert( play->other_elements,
"vis_video_thread_pad",
vis_video_thread_pad);
gst_bin_add (GST_BIN(play->audio_sink), vis_video_thread);
/* END VIS STUFF */
gst_bin_add (GST_BIN (work_thread), play->audio_sink);
/* create video elements */
play->video_sink = gst_element_factory_make ("fakesink", "fake_show");
if (!play->video_sink)
{
gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
return FALSE;
}
play->video_sink_element = NULL;
video_queue = gst_element_factory_make ("queue", "video_queue");
if (!video_queue)
{
gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
return FALSE;
}
g_hash_table_insert (play->other_elements, "video_queue", video_queue);
colorspace = gst_element_factory_make ("colorspace", "colorspace");
if (!colorspace)
{
gst_play_error_plugin (GST_PLAY_ERROR_COLORSPACE, error);
return FALSE;
}
g_hash_table_insert (play->other_elements, "colorspace", colorspace);
video_bin = gst_thread_new ("video_thread");
if (!video_bin)
{
gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
return FALSE;
}
g_hash_table_insert (play->other_elements, "video_bin", video_bin);
/* adding all that stuff to bin */
gst_bin_add_many (GST_BIN (video_bin), video_queue, colorspace,
play->video_sink, NULL);
gst_element_link_many (video_queue, colorspace,
play->video_sink, NULL);
gst_element_add_ghost_pad (
video_bin, gst_element_get_pad (video_queue, "sink"),
"sink");
gst_bin_add (GST_BIN (work_thread), video_bin);
return TRUE;
}
static gboolean
gst_play_video_vis_set_audio ( GstPlay *play,
GstElement *audio_sink)
{
GstElement *audio_bin, *vis_audio_sink;
GstPad *audio_sink_pad, *tee_audio_pad;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (audio_sink != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE);
audio_bin = g_hash_table_lookup ( play->other_elements,
"audio_bin");
vis_audio_sink = g_hash_table_lookup ( play->other_elements,
"audio_sink");
audio_sink_pad = g_hash_table_lookup ( play->other_elements,
"audio_sink_pad");
tee_audio_pad = g_hash_table_lookup ( play->other_elements,
"tee_audio_pad");
if ( (vis_audio_sink) && GST_IS_ELEMENT(vis_audio_sink) )
{
gst_pad_unlink (tee_audio_pad, audio_sink_pad);
gst_bin_remove (GST_BIN (audio_bin), vis_audio_sink);
}
gst_bin_add (GST_BIN (audio_bin), audio_sink);
audio_sink_pad = gst_element_get_pad (audio_sink,"sink");
gst_pad_link (tee_audio_pad, audio_sink_pad);
g_hash_table_replace( play->other_elements,
"audio_sink",
audio_sink);
g_hash_table_replace( play->other_elements,
"audio_sink_pad",
audio_sink_pad);
play->audio_sink_element = gst_play_get_sink_element (
play,
audio_sink,
GST_PLAY_SINK_TYPE_AUDIO);
if (play->audio_sink_element != NULL) {
g_signal_connect (G_OBJECT (play->audio_sink_element), "eos",
G_CALLBACK (callback_audio_sink_eos), play);
}
return TRUE;
}
static gboolean
gst_play_video_vis_set_video ( GstPlay *play,
GstElement *video_sink)
{
GstElement *video_mate, *video_bin;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (video_sink != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE);
video_bin = g_hash_table_lookup(play->other_elements, "video_bin");
video_mate = g_hash_table_lookup(play->other_elements, "colorspace");
if (play->video_sink) {
gst_element_unlink (video_mate, play->video_sink);
gst_bin_remove (GST_BIN (video_bin), play->video_sink);
}
play->video_sink = video_sink;
gst_bin_add (GST_BIN (video_bin), play->video_sink);
gst_element_link (video_mate, play->video_sink);
play->video_sink_element = gst_play_get_sink_element (
play,
video_sink,
GST_PLAY_SINK_TYPE_VIDEO);
if (play->video_sink_element != NULL) {
g_signal_connect ( G_OBJECT (play->video_sink_element),
"have_xid",
G_CALLBACK (callback_video_have_xid),
play);
g_signal_connect ( G_OBJECT (play->video_sink_element),
"have_size",
G_CALLBACK (callback_video_have_size),
play);
g_object_set( G_OBJECT(play->video_sink_element),
"need_new_window",
TRUE,
"toplevel",
FALSE, NULL);
}
return TRUE;
}
/**
* gst_play_set_visualisation_video_sink:
* @play: a #GstPlay.
* @video_sink: a #GstElement.
*
* Set @video_sink as the visualisation video sink element of @play.
*
* Returns: TRUE if call succeeded.
*/
gboolean
gst_play_set_visualisation_video_sink ( GstPlay *play,
GstElement *video_sink)
{
GstElement *video_mate, *video_bin, *vis_video_sink;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (video_sink != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE);
video_bin = g_hash_table_lookup(play->other_elements, "vis_video_thread");
video_mate = g_hash_table_lookup(play->other_elements, "vis_colorspace");
vis_video_sink = g_hash_table_lookup( play->other_elements,
"vis_video_sink");
if (vis_video_sink) {
gst_element_unlink (video_mate, vis_video_sink);
gst_bin_remove (GST_BIN (video_bin), vis_video_sink);
}
gst_bin_add (GST_BIN (video_bin), video_sink);
gst_element_link (video_mate, video_sink);
g_hash_table_replace( play->other_elements,
"vis_video_sink",
video_sink);
play->visualisation_sink_element = gst_play_get_sink_element (
play,
video_sink,
GST_PLAY_SINK_TYPE_VIDEO);
if (play->visualisation_sink_element != NULL) {
g_signal_connect ( G_OBJECT (play->visualisation_sink_element),
"have_xid",
G_CALLBACK (callback_video_have_vis_xid),
play);
/*g_signal_connect ( G_OBJECT (play->visualisation_sink_element),
"have_size",
G_CALLBACK (callback_video_have_vis_size),
play);*/
g_object_set( G_OBJECT(play->visualisation_sink_element),
"need_new_window",
TRUE,
"toplevel",
FALSE, NULL);
}
return TRUE;
}
/**
* gst_play_set_visualisation_element:
* @play: a #GstPlay.
* @element: a #GstElement.
*
* Set @video_sink as the video sink element of @play.
*
* Returns: TRUE if call succeeded.
*/
gboolean
gst_play_set_visualisation_element ( GstPlay *play,
GstElement *element)
{
GstElement *video_queue, *video_colorspace;
GstElement *vis_element, *vis_video_bin;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (element != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
vis_video_bin = g_hash_table_lookup ( play->other_elements,
"vis_video_thread");
video_queue = g_hash_table_lookup ( play->other_elements,
"vis_video_queue");
video_colorspace = g_hash_table_lookup ( play->other_elements,
"vis_colorspace");
vis_element = g_hash_table_lookup ( play->other_elements,
"vis_element");
if (vis_element) {
gst_element_unlink (video_queue, vis_element);
gst_element_unlink (vis_element, video_colorspace);
gst_bin_remove (GST_BIN (vis_video_bin), vis_element);
}
gst_bin_add (GST_BIN (vis_video_bin), element);
gst_element_link_many (video_queue, element, video_colorspace, NULL);
g_hash_table_replace( play->other_elements,
"vis_element",
element);
return TRUE;
}
/**
* gst_play_connect_visualisation:
* @play: a #GstPlay.
* @connect: a #gboolean indicating wether or not
* visualisation should be connected.
*
* Connect or disconnect visualisation bin in @play.
*
* Returns: TRUE if call succeeded.
*/
gboolean
gst_play_connect_visualisation ( GstPlay *play,
gboolean connect)
{
GstPad *tee_vis_pad, *vis_video_thread_pad;
GstElement *vis_video_thread;
gboolean connected = FALSE;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
tee_vis_pad = g_hash_table_lookup( play->other_elements,
"tee_vis_pad");
vis_video_thread_pad = g_hash_table_lookup( play->other_elements,
"vis_video_thread_pad");
vis_video_thread = g_hash_table_lookup( play->other_elements,
"vis_video_thread");
if (gst_pad_get_peer (vis_video_thread_pad) != NULL)
connected = TRUE;
else
connected = FALSE;
if ( (connect) && (!connected) ) {
gst_pad_link (tee_vis_pad, vis_video_thread_pad);
}
else if ( (!connect) && (connected) ){
gst_pad_unlink (tee_vis_pad, vis_video_thread_pad);
}
if ( GST_IS_ELEMENT(vis_video_thread) && GST_IS_ELEMENT(play->pipeline) ) {
gst_element_set_state ( vis_video_thread,
gst_element_get_state (play->pipeline));
}
return TRUE;
}
/* modelines */
/* vim:set ts=8:sw=8:noet */
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